2045354227 has 24 divisors (see below), whose sum is σ = 2400707760. Its totient is φ = 1737469440.

The previous prime is 2045354209. The next prime is 2045354231. The reversal of 2045354227 is 7224535402.

It is a de Polignac number, because none of the positive numbers 2^k-2045354227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045354192 and 2045354201.

It is not an unprimeable number, because it can be changed into a prime (2045354257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4475383 + ... + 4475839.

It is an arithmetic number, because the mean of its divisors is an integer number (100029490).

Almost surely, 2^2045354227 is an apocalyptic number.

2045354227 is a deficient number, since it is larger than the sum of its proper divisors (355353533).

2045354227 is a wasteful number, since it uses less digits than its factorization.

2045354227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 2045354227 is about 45225.5926108216. The cubic root of 2045354227 is about 1269.3737435622.

Adding to 2045354227 its reverse (7224535402), we get a palindrome (9269889629).

The spelling of 2045354227 in words is "two billion, forty-five million, three hundred fifty-four thousand, two hundred twenty-seven".